R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 100
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
Specifications of R5F21324CNSP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 71 of 573
7.4.10
7.4.11
After Reset
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 018Ch
Address 018Eh
The INTSR register selects which pin is assigned to the INT1 input. To use INT1, set this register.
Set the INTSR register before setting the INT1 associated registers. Also, do not change the setting values in
this register during INT1 operation.
Symbol
Symbol
INT1SEL0 INT1 pin select bit
Symbol
IICSEL
Bit
Bit
Symbol
SSU/IIC Pin Select Register (SSUIICSR)
INT Interrupt Input Pin Select Register (INTSR)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
b7
—
b7
—
0
0
SSU/I
Reserved bit
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Reserved bits
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Reserved bits
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
Reserved bits
2
C bus switch bit
b6
—
0
b6
—
0
Bit Name
Bit Name
b5
—
0
b5
—
0
b4
—
0
b4
—
0
0: SSU function selected
1: I
Set to 0.
Set to 0.
0: P1_7 assigned
1: P1_5 assigned
Set to 0.
Set to 0.
b3
—
0
2
b3
—
C bus function selected
0
b2
—
0
b2
—
0
Function
Function
INT1SEL0
b1
—
0
b1
0
IICSEL
b0
0
b0
—
0
7. I/O Ports
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—
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